The first ten minutes are your real team sheet
A starting lineup tells you who plays. The opening minutes tell you how they actually position.
Watch where the full-backs stand when the goalkeeper has the ball. Watch the distance between the centre-backs and the holding midfielder. If that gap is wider than it should be, the space is there all match. The opposition will find it.
I have seen too many bets placed on a shape that existed only on paper. The team walked out and played something else entirely. Give the match ten minutes before you commit. That small pause saves more bankroll than any price check.
A poor pre-match read exposed in the first ten minutes is a gift. Take the no-bet.
Question: What is the first structural detail you check when a match starts?